Stylish, high-end, IP68 waterproof smart watch with a 1.95" HD IPS screen that can withstand 30 minutes in 1.5 meters of water. sport modes. Features include a separate ringtone, heart rate, sleep monitor, Bluetooth, notification syncing, and many more. GB4943.1-2011 and GB/T22450.1-2008 are the standards. Watchcase: alloy of zinc. Display: 320 x 380 full-round 1.95" IPS screen. Memory: 128MB + 192KB. Wireless charging is the mode of charging. 270mAh battery. Versions of the wireless connection: 3.0+5.0. IP68 is the waterproof level. It takes two hours to charge. Wait time: seven days.